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VulnerabilityPublished Updated

CVE-2026-118258: Node i18next http backend · i18next-http-backend is a backend layer for i18next that loads

Affects node-i18next-http-backendSource GCVE Database

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Mentioned vulnerabilities

Authoritative record:CVE-2026-118258· Low 3.7

Not known to be exploited · CVSS 3.7 Low · fixed in 4.0.4 : update node-i18next-http-backend when convenient.

Data as of 5 Nov 2026, 12:35 UTC

CVSS 3.1 base score
3.7Low
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (GitHub_M)CVSS 3.13.7
Patch
Available – fixed in 4.0.4
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Ubuntu 26.10node-i18next-http-backendpkg:deb/ubuntu/node-i18next-http-backend?arch=source&distro=stonkingOther threatsAffected
  • =2.4.1+ds-2build2
Fixed in–
Ubuntu 26.04 LTSnode-i18next-http-backendpkg:deb/ubuntu/node-i18next-http-backend?arch=source&distro=resoluteOther threatsAffected
  • =2.4.1+ds-2build2
Fixed in–
Ubuntu 24.04 LTSnode-i18next-http-backendpkg:deb/ubuntu/node-i18next-http-backend?arch=source&distro=nobleOther threatsAffected
  • =2.1.1-1
  • =2.4.1+ds-2
  • =2.4.1+ds-2build2
Fixed in–
Ubuntu 22.04 LTSnode-i18next-http-backendpkg:deb/ubuntu/node-i18next-http-backend?arch=source&distro=jammyOther threatsAffected
  • 1.0.21+dfsg-1 – 1.3.2+dfsg-1
5 affected builds
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

i18next-http-backend is a backend layer for i18next that loads translation resources in Node.js, browsers, and Deno. Prior to 4.0.4, interpolateUrl inserts unencoded language and namespace values into loadPath or addPath templates without rejecting ampersand (&), equals (=), or semicolon (;) query separators. When a template places lng or ns in the query string and an attacker controls that value, the attacker can add or override parameters on browser or server-side translation requests, potentially exposing other namespaces or tenants or changing backend behavior through the application's network position and credentials. This vulnerability is the result of an incomplete fix for CVE-2026-41691. This issue is fixed in version 4.0.4.

References

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